Respuesta :
The main source of information used by astronomers to learn about objects in space is electromagnetic waves.
Who are astronomers?
"An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either observational or theoretical astronomy."
What is space?
"Space is the zone above and around our planet where there is no air to breathe or to scatter light."
What are electromagnetic waves?
"Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field."
Telescopes makes use of lenses to collect waves from electromagnetic spectrum, including visible light, that allows astronomers to look at the celestial objects like stars, galaxies, and black holes. With the help of electromagnetic waves given off by objects astronomers will able to understand the universe in a better way.
To learn more about electromagnetic waves here
https://brainly.com/question/8553652
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